| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: server.h |
| 3 | // Purpose: DDE sample: server |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 25/01/99 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #include "connection.h" |
| 13 | |
| 14 | enum |
| 15 | { |
| 16 | ID_START = 10000, |
| 17 | ID_DISCONNECT, |
| 18 | ID_ADVISE, |
| 19 | ID_SERVERNAME, |
| 20 | }; |
| 21 | |
| 22 | // Define a new application |
| 23 | class MyServer; |
| 24 | class MyFrame; |
| 25 | |
| 26 | class MyApp : public wxApp |
| 27 | { |
| 28 | public: |
| 29 | virtual bool OnInit(); |
| 30 | MyFrame *GetFrame() { return m_frame; } |
| 31 | |
| 32 | protected: |
| 33 | MyFrame *m_frame; |
| 34 | }; |
| 35 | |
| 36 | DECLARE_APP(MyApp) |
| 37 | |
| 38 | // Define a new frame |
| 39 | class MyFrame : public wxFrame |
| 40 | { |
| 41 | public: |
| 42 | MyFrame(wxFrame *frame, const wxString& title); |
| 43 | |
| 44 | void OnClose(wxCloseEvent& event); |
| 45 | |
| 46 | void UpdateUI(); |
| 47 | void Disconnect(); |
| 48 | |
| 49 | protected: |
| 50 | wxButton* GetStart() { return (wxButton*) FindWindow( ID_START ); } |
| 51 | wxChoice* GetServername() { return (wxChoice*) FindWindow( ID_SERVERNAME ); } |
| 52 | wxButton* GetDisconnect() { return (wxButton*) FindWindow( ID_DISCONNECT ); } |
| 53 | wxButton* GetAdvise() { return (wxButton*) FindWindow( ID_ADVISE ); } |
| 54 | |
| 55 | |
| 56 | MyServer *m_server; |
| 57 | |
| 58 | void OnStart( wxCommandEvent &event ); |
| 59 | void OnServerName( wxCommandEvent &event ); |
| 60 | void OnDisconnect( wxCommandEvent &event ); |
| 61 | void OnAdvise( wxCommandEvent &event ); |
| 62 | |
| 63 | DECLARE_EVENT_TABLE() |
| 64 | }; |
| 65 | |
| 66 | class MyConnection : public MyConnectionBase |
| 67 | { |
| 68 | public: |
| 69 | virtual bool OnExecute(const wxString& topic, const void *data, size_t size, wxIPCFormat format); |
| 70 | virtual const void *OnRequest(const wxString& topic, const wxString& item, size_t *size, wxIPCFormat format); |
| 71 | virtual bool OnPoke(const wxString& topic, const wxString& item, const void *data, size_t size, wxIPCFormat format); |
| 72 | virtual bool OnStartAdvise(const wxString& topic, const wxString& item); |
| 73 | virtual bool OnStopAdvise(const wxString& topic, const wxString& item); |
| 74 | virtual bool DoAdvise(const wxString& item, const void *data, size_t size, wxIPCFormat format); |
| 75 | virtual bool OnDisconnect(); |
| 76 | |
| 77 | // topic for which we advise the client or empty if none |
| 78 | wxString m_advise; |
| 79 | |
| 80 | protected: |
| 81 | // the data returned by last OnRequest(): we keep it in this buffer to |
| 82 | // ensure that the pointer we return from OnRequest() stays valid |
| 83 | wxCharBuffer m_requestData; |
| 84 | }; |
| 85 | |
| 86 | class MyServer : public wxServer |
| 87 | { |
| 88 | public: |
| 89 | MyServer(); |
| 90 | virtual ~MyServer(); |
| 91 | |
| 92 | void Disconnect(); |
| 93 | bool IsConnected() { return m_connection != NULL; } |
| 94 | MyConnection *GetConnection() { return m_connection; } |
| 95 | |
| 96 | void Advise(); |
| 97 | bool CanAdvise() { return m_connection && !m_connection->m_advise.empty(); } |
| 98 | |
| 99 | virtual wxConnectionBase *OnAcceptConnection(const wxString& topic); |
| 100 | |
| 101 | protected: |
| 102 | MyConnection *m_connection; |
| 103 | }; |
| 104 | |